Display panel or screen with an icon or graphical user interface



FIG. 1 is a front view of a first embodiment of a display panel or screen with an icon or a graphical user interface showing my new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The even-dash broken lines constituting a display panel or screen, a portion thereof, an icon or a graphical user interface a portion of the icon or the graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a display panel or screen with an icon or graphical user interface, as shown and described. 